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Doubles in session


Current system
18025-1916
BHA 22
HD 312501


Nearby doubles
13' : 18033-1919
BRT1512

14' : 18023-1903
ARA 722

20' : 18039-1913
B 2431

23' : 18036-1859
TSN 185

30' : 18009-1858
HJ 2815

31' : 18004-1923
OCC 526

32' : 18012-1942
B 2849

34' : 18047-1903
B 2852

35' : 18048-1902
OCC 536

37' : 18046-1936
HJ 2817

42' : 18011-1952
A 2387AB

43' : 18055-1906
ARA 727

47' : 18011-1958
I 620

49' : 18039-1832
ARA 450

59' : 18063-1941
J 1619

62' : 17582-1916
CHR 66

62' : 18067-1859
HJ 592

64' : 18069-1923
A 2258

65' : 17579-1921
RST5097

67' : 18063-1955
OCC9174

69' : 17577-1927
OCC 525

73' : 17574-1925
SKF 933

74' : 18077-1913
ARA 729

75' : 18011-1804
A 2256AB

76' : 17590-1820
ARA 449

77' : 17599-2023
TDT 619



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18025-1916 BHA 22 (HD 312501)

 
 
18h 02m 30.86s -19° 15' 43.5" P.A. 63.00 sep 3.8 mag 12.07,12.20
 
 
Coord 2000 18025-1916 Discov num BHA  22 Comp Coord arcsec 2000 18 02 30.86 -19 15 43.5
Date first 1917 Date last 2015 Obs 5
Pa first 61 Pa last 62.6 P.A. Now (θ) 62.6°
Sep first 3.2 Sep last 3.75 Sep. Now (ρ) 3.75"
Mag pri 12.07 Mag sec 12.20 delta mag (ΔM) 0.13 Spectral class
Pri motion ra -001 Sec motion ra +050
Pri motion dec +002 Sec motion dec +025
Notes
rPM=1.001
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 312501 Constellation Sagittarius Tycho2 6259-00667-1 Gaia DR2 4095291277113403520
HD 312501
 
 
WDS 18025-1916 BHA 22 (HD 312501) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bha1916 Pa - Bhaskaran, T.P. 1916AJ.....30...29B
Bha1916 AJ 30, 29, 1916
Bha1933 Pa - Bhaskaran, T.P. 1933JO.....16..140B
Bha1933 J. Obs. 16, 140, 1933
Bha1935 Pa - Bhaskaran, T.P. 1935JO.....18...52B
Bha1935 J. Obs. 18, 52, 1935
Bha1938a Pa - Bhaskaran, T.P. 1938AJ.....47..172B
Bha1938a AJ 47, 172, 1938
Bha1938b Pa - Bhaskaran, T.P. 1938AN....267...67B
Bha1938b AN 267, 67, 1938
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18025-1916 BHA 22 1998 3 63 3.8 12.07 12.20 D 180230.86-191543.5
18025-1916 BHA 22 1999 4 63 3.7 12.07 12.20 D 180230.86-191543.5
18025-1916 BHA 22 2015 5 63 3.8 12.07 12.20 180230.86-191543.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 18025-1916 BHA 22 (HD 312501) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18025-1916 BHA 22 (HD 312501) : MEASURES
 
 
No records found.

 
 
WDS 18025-1916 (HD 312501) : VIRTUAL EYEPIECE
 
 

18025-1916 BHA 22A mag 12.07 18025-1916 BHA 22B sep 3.6 P.A. 61.20 mag 12.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 18025-1916 (HD 312501) : ALADIN DSS IMAGE @ 18h 02m 30.86s -19° 15' 43.5"
 
 
 
 
WDS 18025-1916 BHA 22 (HD 312501) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18025-1916 BHA 22 distance=1' 18033-1919 BRT1512 distance=13' 18023-1903 ARA 722 distance=14' 18039-1913 B 2431 distance=20' 18039-1913 OCC 537Aa,Ab distance=20' 18036-1859 TSN 185 distance=23' 18009-1858 HJ 2815 distance=30' 18004-1923 OCC 526 distance=31' 18012-1942 B 2849 distance=32' 18047-1903 B 2852 distance=34' 18048-1902 OCC 536 distance=35' 18046-1936 HJ 2817 distance=37' 18011-1952 A 2387AB distance=42' 18011-1952 I 9027AC distance=42' 18055-1906 ARA 727 distance=43' 18011-1958 I 620 distance=47' 18039-1832 ARA 450 distance=49' 18063-1941 J 1619 distance=59' 17582-1916 CHR 66 distance=62' 18067-1859 HJ 592 distance=62' 18069-1923 A 2258 distance=64' 17579-1921 RST5097 distance=65' 18063-1955 OCC9174 distance=67' 17577-1927 OCC 525 distance=69' 18072-1854 A 2259BC distance=70' 18072-1854 STN 41A,BC distance=71' 17574-1925 SKF 933 distance=73' 18077-1913 ARA 729 distance=74' 18011-1804 A 2256AB distance=75' 18011-1804 A 2256AB,C distance=75' 18011-1804 A 2256AB,D distance=75' 18011-1804 A 2256AB,E distance=75' 17590-1820 ARA 449 distance=76' 17599-2023 TDT 619 distance=77' 17571-1906 ARA 719 distance=77' 18062-2012 J 1618 distance=78' 18078-1852 ARA 451 distance=78' 17576-1953 OCC1021 distance=80' 17569-1920 B 2846 distance=80' 17569-1903 FEN 25 distance=80' 18081-1925 AOT 68BC distance=80' 18081-1925 ARA 730AB distance=80' 18081-1925 AOT 68AC distance=80' 18000-2027 DON 876 distance=81' 18070-2005 ARA1134 distance=82' 17575-1957 A 2255 distance=83' 17585-2016 DON 875 distance=84' 18084-1856 I 625AB distance=86' 18084-1856 AOT 69AB,C distance=86' 18084-1856 AOT 70AB,D distance=86' 18084-1856 AOT 70CD distance=86' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18025-1916 BHA 22 63 3.8 1
Show 18033-1919 BRT1512 34 3.8 13
Show 18023-1903 ARA 722 269 7.2 14
Show 18039-1913 B 2431 285 9.7 20
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 20
Show 18036-1859 TSN 185 325 0.2 23
Show 18009-1858 HJ 2815 104 14.4 30
Show 18004-1923 OCC 526 -1 0.4 31
Show 18012-1942 B 2849 351 12.5 32
Show 18047-1903 B 2852 144 4.1 34
Show 18048-1902 OCC 536 -1 0.1 35
Show 18046-1936 HJ 2817 275 13.4 37
Show 18011-1952 A 2387 AB 44 1.0 42
Show 18011-1952 I 9027 AC 301 33.3 42
Show 18055-1906 ARA 727 24 9.9 43
Show 18011-1958 I 620 64 19.4 47
Show 18039-1832 ARA 450 66 8.0 49
Show 18063-1941 J 1619 188 6.8 59
Show 17582-1916 CHR 66 111 0.4 62
Show 18067-1859 HJ 592 206 36.6 62
Show 18069-1923 A 2258 138 0.4 64
Show 17579-1921 RST5097 183 0.9 65
Show 18063-1955 OCC9174 -1 0.0 67
Show 17577-1927 OCC 525 -1 0.3 69
Show 18072-1854 A 2259 BC 202 1.3 70
Show 18072-1854 STN 41 A,BC 211 29.8 71
Show 17574-1925 SKF 933 161 3.8 73
Show 18077-1913 ARA 729 343 13.1 74
Show 18011-1804 A 2256 AB 161 0.2 75
Show 18011-1804 A 2256 AB,C 4 6.8 75
Show 18011-1804 A 2256 AB,D 128 7.2 75
Show 18011-1804 A 2256 AB,E 124 21.9 75
Show 17590-1820 ARA 449 288 14.1 76
Show 17599-2023 TDT 619 198 1.5 77
Show 17571-1906 ARA 719 150 15.0 77
Show 18062-2012 J 1618 359 8.9 78
Show 18078-1852 ARA 451 182 7.7 78
Show 17576-1953 OCC1021 -1 0.0 80
Show 17569-1920 B 2846 141 10.9 80
Show 17569-1903 FEN 25 14 5.1 80
Show 18081-1925 AOT 68 BC 298 11.9 80
Show 18081-1925 ARA 730 AB 330 12.6 80
Show 18081-1925 AOT 68 AC 314 23.6 80
Show 18000-2027 DON 876 15 1.2 81
Show 18070-2005 ARA1134 280 11.7 82
Show 17575-1957 A 2255 302 1.3 83
Show 17585-2016 DON 875 325 6.0 84
Show 18084-1856 I 625 AB 44 1.8 86
Show 18084-1856 AOT 69 AB,C 92 16.8 86
Show 18084-1856 AOT 70 AB,D 299 19.6 86
Show 18084-1856 AOT 70 CD 286 35.5 86

 
 
WDS 18025-1916 : COMPONENTS
 
 
  A
B pa=61.2°
sep=3.59"
 
 
18025-1916 A
 
 
Componente originario normalizzato AB Name HD 312501 Coord arcsec 2000 180230.86-191543.5 Mag 12.07
PmRA -1.00 PmDE 2.0 Tycho2 6259-00667-1 HD 312501
DM BD-19 4806
Tycho2
Tycho2 6259-00667-1 Pflag RAmdeg 270.62862286 DEmdeg -19.26209892
PmRA 2.5 PmDE 1.9 E RAmdeg 101 E DEmdeg 129
E pmRA 3.5 E pmDE 3.9 EpRAm 1977.30 EpDEm 1970.06
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.4 Q pmRA 0.1
Q pmDE 0.4 BTmag 12.437 E BTmag 0.235 VTmag 12.070
E VTmag 0.230 Prox 999 TYC HIP
CCDM RAdeg 270.62861639 DEdeg -19.26210306 EpRA 1990 1.83
EpDE 1990 1.80 E RAdeg 112.6 E DEdeg 154.1 Posflg
Corr -0.1
 
 
18025-1916 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180231.08-191541.8 Mag 12.2 PmRA 50.00
PmDE 25.0 Calc delta mag 0.13 Calc coord yes